查询词典 ammonia

Then obtain heavy magnesium water solution, add interfacial active agent and ammonia to solution, via hydrothermal treatment and filtration washing, dry to gain nemaline magnesium hydroxide.

得到重镁水溶液，向溶液中加入表面活性剂和氨水，经过水热处理，过滤洗涤后、干燥得到纤维状氢氧化镁。

A phenylalanine ammonia-lyase gene was clone from Nerium oleander for the first time and it was also the first cloned gene involved in anthocyanin metabolic pathway in N.oleander.

首次从夹竹桃中克隆得到苯丙氨酸解氨酶基因cDNA片段，并命名为NoPAL1，GenBank登录号为AY747677，这也是首次从夹竹桃花青苷代谢途径中克隆得到的基因。

The aqueous method desulphurization application early method is the ammonia washes the neutrodyne system, overseas has appeared the ADA law since on century the beginning of 50's, our country also successively develops has developed improvement desulphurization technologies and so on ADA law, MSQ law, KCS law as well as tannin extract law.

湿法脱硫应用较早的方法是氨洗中和法，自从上世纪50年代初国外出现ADA法以来，我国也先后研制开发了改良型ADA法、MSQ法、KCS法以及栲胶法等脱硫技术。

The process of selective reduction roasting- ammonia leaching is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.

本研究采用选择性还原焙烧—氨浸工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了该工艺氨浸的试验研究。

Selective reduction roasting ; ammonia leaching ; nickeliferous laterite ore ; nickeliferous iron ore ; nickel and cobalt extraction

选择性还原焙烧；氨浸；低品位红土镍矿；镍铁矿；镍钴提取

The process of selective reduction roasting-ammonia leaching-solvent extraction-electrowinning is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.

本研究采用选择性还原焙烧-氨浸-溶剂萃取-电积工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了采用煤作还原剂，选择性还原焙烧的试验研究。

The effect of the size of alumionphosphate precursor, ammonia flow and nitridation temperature on preparation of AlPON were investigated.

考察了磷酸铝颗粒度、氨流量和氮化温度对氮化磷酸铝制备的影响。

The EM sludge with digested sludge as seed could enhance the removal efficiency of ammonia and nitrogen in wastewater, because the rate of nitrify reaction was much more quickly, and the nitrify time was less than 3hr half of the routine active sludge.

而EM污泥脱氮效果较差。(9)两种污泥中EM引种污泥对磷的降解效果较好，与常规活性污泥对照，降解率增幅达5%~10%；而EM污泥对磷的去除率低，低于常规污泥反应器。

The research results showed that the growth of Nitrobacter always depended on the conversion of ammonia-nitrogen to nitrite-nitrogen by Nitrosomonas under both no aeration and aeration.

研究结果表明，在无曝气条件下和曝气条件下，填料上硝酸盐细菌的生长均依赖于亚硝酸盐细菌转化氨氮为亚硝酸盐氮的过程。

Benieficial bacteria like Nitrosomonas and Nitrobacter colonize the pore walls to promote ideal conditions for the biologican removal of ammonia and nitrite.

有益的细菌像亚硝化毛杆菌与硝化杆菌依附在孔壁上以加速对于氨与硝酸盐清除的理想环境。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。